reduceScatterBlock 3229 ompi/mpi/java/java/Comm.java 		reduceScatterBlock(handle, sendbuf, sdb, sendoff, recvbuf, rdb, recvoff,
reduceScatterBlock 3258 ompi/mpi/java/java/Comm.java 		reduceScatterBlock(handle, null, false, 0, buf, db, off, count,